giant rafting track marble run

You are the yellow marble on the rafting track.From the entrance it goes 200 cm upwards in a special elevator.Followed by 500 cm of acrylic glass tube.Downwards it goes through a 1500 cm distance.Good luck on the dangerous track.There are already some crashed.

A wooden marble run designed as a rafting track.A work of Ortwin GrüttnerMurmiland 2016